#define _CRT_SECURE_NO_WARNINGS 1

#include <stdio.h>

int main()
{
    int weight = 0;
    float height = 0;
    scanf("%d %f", &weight, &height);
    float BMI = weight / (height * height);
    if (BMI < 23.9 && BMI>18.5) {
        printf("Normal");
    }
    else {
        printf("Abnormal");
    }
    return 0;
}